本帖最后由 jackywei1987 于 2010-9-8 01:06 编辑
9.6号 作业 TPO5 用时40min 错2题
Minerals and Plants P1: relationship between minerals, plants and soil. The explaination of serpentine soils. P2: Several symptoms of mineral dificient. Nitrogen-deficient, Phosphorus-deficient and Iron deficiency P3: Researchs in soilless environment. P4: The quantity of minerals has great effort on the development of plants P5: The conception of Hyper accumulators. P6: The practice of Hyper accumulators
Questions 1.B other choices are contadict with the text or not mention 2.B 3.B "with leaves turning a characteristic dark green" 4.B "characterized by chlorosis" & "such as chlorosis (loss of chlorophyll resulting in yellow or white leaf issue)" 5.C 6.A "This technique allows researchers to create solutions that selectively omit certain nutrients and then observe the resulting effects on the plants" 7.D 8.D "Hyper accumulators run the entire range of the plant world" 9.A 10.Dx--->C Omit the word "begin" lead the wrong answer 11.D "After several years of cultivation and harvest" 12.B "has been effective in reducing levels of selenium salts by 50 percent in contaminated soils" 13.A the former sentence has mention the minerals and the later sentence give more details 14.1,2,3 other choices are wrong or not mention
The Origin of the Pacific Island People P1: The introduction of three culture, especially the location. P2: Several fanciful and mutually exclusive theories. G. Elliot Smith and W. J. Perry & Thor Heyerdahl. the overwhelming evidence... P3: The basic cultural requirements for the successful colonization P4: The reason that the people settle at pacific
Question 1.D "icronesia, the area north of Melanesia" 2.A 3.Bx--->A 4.B "ritish anthropologists G. Elliot Smith and W. J. Perry assumed that only Egyptians would have been skilled enough to navigate and colonize the Pacific"..."ater... 5.C other chocies are wrong 6.B 7.A "oat-building, sailing, and navigation skills,domesticated plants and gardening skills and a broad inventory of cultivated plants" 8.D "he culture also possessed the basic foundation for an effective maritime adaptation" 9.D "ontrary to,reasonable, stocked with food and accomplished by deliberate colonization expeditions" 10.C 11.B "Detailed studies of the winds and currents using computer simulations suggest that drifting canoes would have been a most unlikely means of colonizing the Pacific" 12.C the attitude of the later part of the Heyerdahl’s “American Indians in the Pacific” theories is more contradictary 13.D the time distinguish the "later" 14.1,2.3 other choices are wrong or not mention
The Cambrian Explosion P1: The geologic timescale of the earth and the Cambrian explosion P2: Several doubts that scientists puzzled. P3: Answer to P2 One interpretation regarding the absence of fossils P4: The Ediacara fossil formation P5: A slightly younger fossil formation P6: A third fossil formation P7: A new assumption explain the Cambrian explosion
Questions 15. B 16. C 17. A 18. B "Why did animal life evolve so quickly" 19. A "Why was the origin of life a simple step in Earth’s history" didn't mention 20. B Paragraph 2 is full of questions while P3 offers answer to P2 21. C 22. C "Although named after a site in Australia, the Ediacara formation is worldwide in distribution" 23. B "At one time, were assigned to various modern animal groups, but, now agree, disappeared before the end of the period" 24. D "These unassignable animals include a large swimming predator called Anomalocaris and a soft-bodied animal called Wiwaxia" 25. C "The Burgess Shale formation also has fossils of many extinct representatives of modern animal groups." 26. B "Why was this evolution so rapid" 27. B the former sentence "Fossilization of soft-bodied" the answer " the fossilization of soft-bodied animals requires a special environment" the later sentence "Conditions that promote fossilization" so harmony. 28. 1,2,5 other choices are wrong or not mention |